Wireless Earbuds Sport, Bluetooth 5.4 Headphones 3D Bass Hi-Fi Stereo Over Ear Buds, 60Hrs ENC Noise Cancelling Headset with Earhook, IP-X7 Waterproof Earphones Workout Running Gym for Android iOS

360 Surround Hi-Fi Stereo Sound, Crystal Clear CallsThe Rulefiss wireless headphones sport produce impressively beautiful sound, using an AAC/SBC audio decoder and a 14.2mm composite diaphragm to increase the audio frequency by 75% (18Hz-25kHz). Instrumental details are layered, vocals are clear, resonant bass and authentic highs ensure you feel pure music. At the same time, the Bluetooth headphones have built-in 4 clear microphones and ENC noise reduction technology, they can retain 80% of the sound, making the call clearer.
Upgraded Bluetooth 5.4Rulefiss Q38 wireless earbuds sport uses Bluetooth 5.4 technology and dual-channel transmission. The Bluetooth earbuds offer enhanced anti-interference capabilities and optimized channel hopping mechanisms, effectively shielding against external interference. Compared with Bluetooth 5.3, the transmission speed is +100%, the stability is +70%, 41ms low latency.
60 Hrs Playtime, Dual Power DisplayThe Bluetooth headphones in ear charging case with LED power display shows remaining power in percentage. Charging case presents its battery from 1%-100% to let you know the current power status of your running headphones and charging case anytime anywhere. Up to 6-8 hours playtime of normal usage on a single charge and boost that to 60 hours playtime with the 800mah compact charging case. With type-C quick charge, it only takes 1.5 hrs to charge the case.

2025 New Rulefiss Q38 sports Bluetooth headphones, brand new upgrade

Bluetooth 5.4
Compared with Bluetooth 5.3, the transmission speed is +100%, the stability is +80%
AAC/SBC audio decoder + 14.2mm dynamic unit
Vocals and instruments are detailed, the mids are full, and the bass is deep
CVC 8.0 noise reduction technology
Equipped with 2 mics and CVC 8.0 technology, 80% of the sound can be retained, making calls clearer
Wide Compatibility
Compatible with most Bluetooth-enabled phones, tablets and laptops.

Flat lay of wireless earbuds with charging case, product box, and various ear tips on a gray background. Showcases complete product package contents.

Elevate Your Audio Experience

Experience Unparalleled Sound Quality

Immerse yourself in a world of rich, detailed audio with our advanced wireless earbuds. Engineered with cutting-edge technology and premium components, these earbuds deliver an exceptional listening experience that will elevate your music, movies, and calls to new heights.

IP-X7 Waterproof
IP-X7 waterproof technology efficiently protects the sports headphones from damage caused by sweat and rain to ensure their lifespan. They are ideal for exercise and sports.

Rulefiss is a smart device brand founded in 2018. We offer a wide range of products including smartwatches and Bluetooth earbuds, as well as Bluetooth smart devices such as Bluetooth speakers. We combine fashion and innovative technology to turn smart devices into carriers of personal style.
Q38 NEW Sport Earbuds
Rulefiss Sport Earbuds

2025 New Rulefiss Q38 sports Bluetooth headphones, brand new upgrade

Bluetooth 5.4

Compared with Bluetooth 5.3, the transmission speed is +100%, the stability is +80%

AAC/SBC audio decoder + 14.2mm dynamic unit

Vocals and instruments are detailed, the mids are full, and the bass is deep

CVC 8.0 noise reduction technology

Equipped with 2 mics and CVC 8.0 technology, 80% of the sound can be retained, making calls clearer

Wide Compatibility

Compatible with most Bluetooth-enabled phones, tablets and laptops.

Wireless earbuds set with charging case, USB cable, extra ear tips, and product box on a blue-gray surface.

Elevate Your Audio Experience

Experience Unparalleled Sound Quality

IP-X7 Waterproof

IP-X7 waterproof technology efficiently protects the sports headphones from damage caused by sweat and rain to ensure their lifespan. They are ideal for exercise and sports.

Rulefiss is a smart device brand founded in 2018. We offer a wide range of products including smartwatches and Bluetooth earbuds, as well as Bluetooth smart devices such as Bluetooth speakers. We combine fashion and innovative technology to turn smart devices into carriers of personal style.
Q38 NEW Sport Earbuds
Rulefiss Sport Earbuds

Type	In-Ear
Color	Black
Frequency Response	5Hz-20KHz
THD	In Ear
Input Impedance	32 ohms
Signal to Noise Ratio(SNR)	108 decibels
Power Supply	battery, a, nonstandard_battery, false
Sensitivity	108 decibels
Connector	USB
Ear Coupling	over_ear
Noise Cancelling	environmental_noise_cancellation
Wireless Type	Bluetooth
Battery	6 hours
Operating Time	6 hours
Charge Time	1.5 hours
Distance	20 meters

Microphone Impedance	~3K ohm
Microphone Frequency Response	20Hz-20KHz
Microphone Signal to Noise Ratio(SNR)	108 decibels
Microphone Sensitivity	108 decibels

Meet Your Seller

Wireless Earbuds Sport, Bluetooth 5.4 Headphones 3D Bass Hi-Fi Stereo Over Ear Buds, 60Hrs ENC Noise Cancelling Headset with Earhook, IP-X7 Waterproof Earphones Workout Running Gym for Android iOS